EMP Protection for Emergency Operating Centers

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Install a separate shielded control system as a backup, one that permits manual
control of the elevator even if the automatic control circuit is inoperative. ... A
manual changeover switch to provide direct control of the motor and brake
contactors.

Title

:

EMP Protection for Emergency Operating Centers

Author

:

United States. Office of Civil Defense

Publisher

:

- 1971

ISBN-13

:

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